APA引文

Gates, R. M. (2014). Duty: Memoirs of a secretary at war.

Chicago Style (17th ed.) Citation

Gates, Robert M. Duty: Memoirs of a Secretary at War. 2014.

MLA引文

Gates, Robert M. Duty: Memoirs of a Secretary at War. 2014.

警告：這些引文格式不一定是100％准確.